<template>
  <div class="app-container">
    <el-form
      :model="queryParams"
      ref="queryForm"
      :inline="true"
      v-show="showSearch"
      label-width="68px"
    >
      <el-form-item label="试卷名称" prop="paperName">
        <el-input
          v-model="queryParams.paperName"
          placeholder="请输入试卷名称"
          clearable
          size="small"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="学科" prop="subjectId">
        <el-input
          v-model="queryParams.subjectId"
          placeholder="请输入学科"
          clearable
          size="small"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item>
        <el-button
          type="primary"
          icon="el-icon-search"
          size="mini"
          @click="handleQuery"
          >搜索</el-button
        >
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery"
          >重置</el-button
        >
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['exam:paper:add']"
          >新增</el-button
        >
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['exam:paper:edit']"
          >修改</el-button
        >
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['exam:paper:remove']"
          >删除</el-button
        >
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          :loading="exportLoading"
          @click="handleExport"
          v-hasPermi="['exam:paper:export']"
          >导出</el-button
        >
      </el-col>
      <right-toolbar
        :showSearch.sync="showSearch"
        @queryTable="getList"
      ></right-toolbar>
    </el-row>

    <el-table
      v-loading="loading"
      :data="paperList"
      @selection-change="handleSelectionChange"
    >
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="学科" align="center" prop="id" />
      <el-table-column label="试卷名称" align="center" prop="paperName" />
      <el-table-column label="学期信息" align="center" prop="semester" />
      <el-table-column label="试卷信息" align="center" prop="paperinfo" />
      <el-table-column label="学科" align="center" prop="subjectId" />
      <el-table-column
        label="操作"
        align="center"
        class-name="small-padding fixed-width"
      >
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['exam:paper:edit']"
            >修改</el-button
          >
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['exam:paper:remove']"
            >删除</el-button
          >
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total > 0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改试卷信息对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="试卷名称" prop="paperName">
          <el-input v-model="form.paperName" placeholder="请输入试卷名称" />
        </el-form-item>
        <el-form-item label="学期信息" prop="semester">
          <el-input v-model="form.semester" placeholder="请输入学期信息" />
        </el-form-item>
        <el-form-item label="试卷信息" prop="paperinfo">
          <el-input v-model="form.paperinfo" placeholder="请输入试卷信息" />
        </el-form-item>
        <el-form-item label="学科" prop="subjectId">
          <el-input v-model="form.subjectId" placeholder="请输入学科" />
        </el-form-item>
        <el-form-item
          label="试题类型"
          v-for="(item, index) in examList"
          :key="item.id"
        >
          <div style="display: flex; align-items: center">
            <el-input
              placeholder="请输入试题类型"
              v-model="examTypeText"
              @change="examTypeChange"
            />
            <i
              class="el-icon-circle-plus-outline"
              style="margin-left: 10px"
              v-if="iconFlag"
              @click="addExamType"
            ></i>
            <i
              class="el-icon-remove-outline"
              style="margin-left: 10px"
              @click="removeExam(index, examTypeText)"
              v-if="iconFlag"
            ></i>
          </div>
        </el-form-item>

        <el-form-item
          v-for="(item, index) in examTyle.singleSelect"
          :key="item.id"
          :label="examTypeText.substr(0, 3)"
        >
          <div style="display: flex; align-items: center">
            <el-input
              placeholder="请输入试题类型"
              v-model="examTypeText"
              @change="examTypeChange"
            />
            <i
              class="el-icon-circle-plus-outline"
              style="margin-left: 10px"
              v-if="iconFlag"
              @click="addExamType"
            ></i>
            <i
              class="el-icon-remove-outline"
              style="margin-left: 10px"
              @click="removeExamType(index)"
              v-if="iconFlag"
            ></i>
          </div>
        </el-form-item>
      </el-form>

      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="addExam">添加试题</el-button>
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import {
  listPaper,
  getPaper,
  delPaper,
  addPaper,
  updatePaper,
  exportPaper,
} from "@/api/exam/paper";
import { createLogger } from "vuex";

export default {
  name: "Paper",
  data() {
    return {
      examListType: [], //试题类型子集
      //是否显示icon 按钮
      iconFlag: false,
      examTypeText: "",
      examList: [],
      //试题类型
      eaxmForm: {},
      //试题类型
      examTyle: {
        单选题: "singleSelect",
        多选题: "multipleSelect",
        singleSelect: [], //单选
        multipleSelect: [], //多选
      },
      //添加试题类型显示隐藏标识
      addFlag: false,
      // 遮罩层
      loading: true,
      // 导出遮罩层
      exportLoading: false,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 试卷信息表格数据
      paperList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        paperName: null,
        subjectId: null,
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        paperName: [
          { required: true, message: "试卷名称不能为空", trigger: "blur" },
        ],
        subjectId: [
          { required: true, message: "学科不能为空", trigger: "blur" },
        ],
      },
    };
  },
  created() {
    this.getList();
  },
  methods: {
    //增加试题
    addExam() {
      this.examList.push({
        type: "",
        value: "",
        id: 1,
      });
    },
    removeExam(index, examTypeText) {
      this.examList.splice(index, 1);
      this.examTyle.singleSelect = [];
    },
    //input 框值发生改变时
    examTypeChange(val) {
      if (this.examTyle[val]) {
        this.iconFlag = true;
      }
    },
    //添加类型子集
    addExamType() {
      console.log("00000000000");
      this.examTyle.singleSelect.push({
        type: "",
        value: "",
        id: 1,
      });
      console.log(
        this.examTyle.singleSelect,
        this.examTyle.singleSelect.length,
        "\\\\\\"
      );
    },
    removeExamType(index) {
      this.examTyle.singleSelect.splice(index, 1);
    },
    /** 查询试卷信息列表 */
    getList() {
      this.loading = true;
      listPaper(this.queryParams).then((response) => {
        this.paperList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        paperName: null,
        semester: null,
        paperinfo: null,
        subjectId: null,
        jiaoys: null,
        jiaoxfyz: null,
        yanz: null,
        status: 0,
        userId: null,
        createTime: null,
        updateTime: null,
        del: null,
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map((item) => item.id);
      this.single = selection.length !== 1;
      this.multiple = !selection.length;
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加试卷信息";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const id = row.id || this.ids;
      getPaper(id).then((response) => {
        this.form = response.data;
        this.open = true;
        this.title = "修改试卷信息";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate((valid) => {
        if (valid) {
          if (this.form.id != null) {
            updatePaper(this.form).then((response) => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addPaper(this.form).then((response) => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$modal
        .confirm('是否确认删除试卷信息编号为"' + ids + '"的数据项？')
        .then(function () {
          return delPaper(ids);
        })
        .then(() => {
          this.getList();
          this.$modal.msgSuccess("删除成功");
        })
        .catch(() => {});
    },
    /** 导出按钮操作 */
    handleExport() {
      const queryParams = this.queryParams;
      this.$modal
        .confirm("是否确认导出所有试卷信息数据项？")
        .then(() => {
          this.exportLoading = true;
          return exportPaper(queryParams);
        })
        .then((response) => {
          this.$download.name(response.msg);
          this.exportLoading = false;
        })
        .catch(() => {});
    },
  },
};
</script>
